Item name
2 in 1 optical bluetooth transmitter audio
Feature One
support AUX, RCA,SPDIF,COAXIAL
Feature Two
can connect 2 devices at the same time
Power supply
USB charging, without built-in battery
Function
Bluetooth transmitter and receiver
Certifications
CE FCC ROHS
Transmission distance
10-15 meter
Feature Three
small, lightweight, stylish